Kenmore 153.331350 Use & Care Manual page 60

WATER LEAKAGE
BLOWER WILL
NOT START
BLOWER RUNS
CONTINUOUSLY
HOT SURFACE
IGNITER NOT
GLOWING
FOLLOWING WARM-
UP PERIOD
VENT PIPE TOO
HOT
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1. Condensation 1. Refer to "Condensate" section
2. Dripping Temperature & Pressure 2. Refer to "Temperature & Pressure
,
4.
,
2.
3.
4.
5.
6.
,
,
,
4.
,
2.
3.
1.
2.
3.
4.
Relief Valve
Drain valve dripping/leaking 3.
Tank Leak
4.
No power to unit 1.
Thermostat set too low
Defective air pressure switch 2.
Defective blower
Disconnected or loose wire 3.
Control locked out 4.
5.
6.
Air pressure switch not closing due 1.
to insufficient draft - check for:
a. Vent piping blocked
b. Piping length too long
c. Clogged/dirty blower
Disconnected, torn or blocked
pressure switch hose from air
pressure switch to blower housing 2.
Defective pressure switch
High limit switch open due to 3.
excessive vent temperature or 4.
defective switch
120VAC polarity reversed at 1.
120VAC outlet receptacle
Defective hot surface igniter 2.
Defective gas control valve/ 3.
thermostat
Blower high limit switch fails to 1.
open - switch defective 2.
Not enough dilution air to mix with
flue gases
Air in room too hot for mixing with 3.
flue gases
Wrong burner orifice 4.
Relief Valve" section
Back flush to clean- out sediment,
replace if necessary.
Check "Leakage Checkpoints"
Plug in power cord, check fuses
and/or supply voltage
Turn temperature knob to higher
setting
Replace air pressure switch
Replace blower
Repair and reconnect wires
Refer to "Resetting The Heater
Control" - determine cause of
lockout
Determine cause of insufficient
draft. Check draft with manometer
at pressure switch
a. Remove blockage
b. Reduce vent length/increase
vent size
c. Clean blower wheel
Reconnect or replace pressure
switch hose
Replace defective pressure switch
Determine cause of overheating
check for: overfiring, insufficient
air supply, high ambient air
temperature
Reverse polarity at 120VAC outlet
receptacle
Replace igniter
Replace gas control valve/
thermostat
Replace blower high limit switch
Proper air circulation must be
provided for combustion and
dilution of flue temp
Increase ventilation to lower room
temperature
Install correct orifice.
6O